Akihito Kobayashi

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The aim of this research is to evaluate the driving performance of a cylindrical micro ultrasonic motor which has a casing diameter of 1.8 mm. The micro ultrasonic motor is driven by a cylindrical piezoelectric vibrator, which has a diameter of 0.8 mm. We evaluated the driving performance of the cylindrical piezoelectric vibrator when two different types of(More)
Recently, the demand for instruments that use high magnetic fields has increased in scientific and industrial fields. A high-resolution solid-state nuclear magnetic resonance (NMR) system is one such example. In a solid-state NMR, analytical samples are required to spin accurately at high speed in the high magnetic field. Ultrasonic motors have advantages(More)
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